Frontend first draft

frontend/pweb/lib/utils/clipboard.dart

@@ -0,0 +1,11 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+import 'package:pshared/utils/snackbar.dart';
+
+
+Future<void> copyToClipboard(BuildContext context, String text, String hint, {int delaySeconds = 3}) async {
+  final res = Clipboard.setData(ClipboardData(text: text));
+  notifyUser(context, hint, delaySeconds: delaySeconds);
+  return res;
+}